/Engine/Source/Runtime/Core/Public/Containers/LockFreeFixedSizeAllocator.h
Never returns free space until program shutdown.
template<class T, int TPaddingForCacheContention, bool AllowDisablingOfTrim> class TLockFreeClassAllocator : private [TLockFreeFixedSizeAllocator< sizeof(T), TPaddingForCacheContention, FNoopCounter, AllowDisablingOfTrim >](API\Runtime\Core\Containers\TLockFreeFixedSizeAllocator)